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Security Alert Triage Readiness Checklist

Before you trust your detection pipeline: can a human take an alert from arrival to a decision, with the context and the authority to act?

9 steps · 7 required · last reviewed (next review 2027-03-20) · updated 2026-09-20

Related focus areas:SecOps

Roadmaps covering the same ground:AWS Security ImprovementDevSecOps Rollout

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Run this against a real alert queue, not a design document. Most detection programmes fail at the human end rather than the sensor end: the telemetry exists, the rule fires, and then the alert sits because nobody can tell whether it matters or who is allowed to do anything about it.

Work one alert type end to end. If an item cannot be checked, that is a finding — write down what an analyst would actually do instead, because that is your real process.

  1. Every alert names the asset, the owner, and the business service it belongs to

    required

    An alert on an IP address is a research project; an alert on "the payments API, owned by team X" is a decision. Enrichment is what turns noise into triage.

  2. A written severity rubric exists and two analysts applying it independently agree

    required

    Severity decided per-analyst means your queue order is a personality trait. Test the rubric by having two people score the same ten alerts.

  3. Each alert type has a documented first response, not just a description

    required

    "Suspicious PowerShell detected" without "here is what you do about it" is a notification, not an alert.

  4. An on-call analyst has standing authority to contain without waiting for approval

    required

    If isolating a host needs a manager's sign-off at 3 a.m., your mean time to contain is really your mean time to reach a manager.

  5. False-positive rate is measured per rule and reviewed on a cadence

    required

    Rules are never finished. An unreviewed rule set decays until analysts learn to ignore the loudest detector you own.

  6. Alert volume per analyst per shift is known and within a number you have defended

    required

    Fatigue is a capacity problem with a security outcome. If you have never counted, you are not managing it.

  7. Closing an alert records a reason code, not just a closed state

    required

    Without reason codes you cannot tell a tuned rule from an ignored one, and next quarter's tuning is guesswork.

  8. A recent alert has been walked end to end as a tabletop with the responders

    optional

    Paper processes survive until the first real page. Rehearsal is cheaper than discovery.

  9. Detection coverage is mapped against an external framework (for example ATT&CK)

    optional

    Coverage maps show the gaps you are not being alerted about — the blind spot that no queue metric reveals.

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Checklists document self-reported practice. Items were last reviewed 2026-09-20 — adapt them to your own environment.